In a remote location in the Arctic, a man-made facility is quietly safeguarding the future of global food security. This vault, built deep inside a mountain, is designed to withstand catastrophic ...

The reason, in part, was because a series of man-made chemicals - namely chlorine ... This led to the Antarctic ozone hole as well as the Arctic ozone hole, which in 2011 reportedly had half ...

The Kola Superdeep Borehole, although only 9 inches in diameter, holds the distinction of being the deepest hole, plunging to ... delving deeper than any other man-made structure.

Ozone loss over the Arctic this year was so severe that for the first time it could be called an “ozone hole” like the Antarctic one, scientists report. About 20km above the ground ...